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Tropical Weather Update August 31, 2011 0730 CDT. National Weather Service Weather Forecast Office Slidell, LA. Overview.

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Tropical weather update august 31 2011 0730 cdt

Tropical Weather Update August 31, 20110730 CDT

National Weather Service

Weather Forecast Office

Slidell, LA


Overview
Overview

  • Tropical wave currently located over the northwestern Caribbean may develop further as it moves through the central and western/northwestern Gulf late this week/over the weekend

  • Main local threats:

    • Heavy rainfall

    • Higher than normal tides

    • Strong winds over the coastal waters




5 day rainfall forecast through sunday morning
5 Day Rainfall Forecast(through Sunday morning)


Other threats wind
Other Threats - Wind

  • Marine Areas:

    • Sustained winds increasing over the next couple days

    • Expect winds 15-20 knots by Friday with 20-25 knots over the weekend (higher gusts)

    • Small Craft Advisories likely

  • Land Areas:

    • Gusts 25 to 35 mph in squalls and thunderstorms


Other threats tides
Other Threats - Tides

  • A prolonged period of moderate to strong easterly or southeasterly winds will lead to elevated tide levels by Friday and through the weekend

  • Tides may rise up to 1 to 2 feet above astronomical over the weekend (could be higher depending on how strong the winds are)


Summary
Summary

  • There is still much uncertainty concerning the development, eventual track, and intensity of this system. Future forecasts will continue to refine the details.

  • Main local threats for the northern Gulf coast will be:

    • heavy rainfall

    • higher than normal tides

    • strong winds over the coastal waters


NWS New Orleans Baton Rouge

www.weather.gov/lix

http://www.srh.noaa.gov/lix?n=embrief2 *Tropical Briefing Section

Facebook

http://www.facebook.com/US.NationalWeatherService.NewOrleans.gov


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